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Plugins/Plang: fix parse errors not showing up

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Pragmatic Software 2020-07-12 18:33:13 -07:00
parent c8a1b2b886
commit 0dedbed2d7
1 changed files with 10 additions and 1 deletions
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11
Plugins/Plang.pm
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@ -70,11 +70,21 @@ sub cmd_plang {
}
# run an embedded plang program
# TODO this is just a proof-of-concept at this stage; 90% of this stuff will be moved into Plang::Interpreter
sub run {
my ($self, $code) = @_;
# reset output buffer
$self->{output} = ""; # collect output of the embedded Plang program
# parse the code into an ast
my $ast = $self->{plang}->parse_string($code);
# check for parse errors
my $errors = $self->{plang}->handle_parse_errors;
return ['ERROR', $errors] if defined $errors;
# return if no program
return if not defined $ast;
# create a new environment for a Plang program
@ -84,7 +94,6 @@ sub run {
my $program = $ast->[0];
my $statements = $program->[1];
$self->{output} = ""; # collect output of the embedded Plang program
my $result; # result of the final statement
eval {